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Oil Authority›Glossary›O›operator

operator

The owner of the right to drill or produce a well, or the entity contractually charged with drilling of a test well and production of subsequent wells.

In the News

Big Four Alberta Oil Sands Operators Face WCS Near $62 as WTI Falls to $75.78, Erasing the Hormuz Premium

Exploration & ProductionJun 16, 2026

Global Deepwater Spending Hits 5-Year High in 2026 as Operators Sanction Tieback Projects and Fast-Track Gulf of Mexico Developments

OffshoreMar 30, 2026

North America Rig Count Falls to 729 as Shale Operators Hold Capital Discipline Near $100 WTI

Drilling & CompletionsMar 28, 2026
Browse the Oil and Gas Glossary

Related Terms

O-ring

What Is an O-Ring? <p cla

OBR

The oil/brine ratio (OBR) is a fundamental com

OCMA

Pertaining to a drilling-grade bentoniteclay with API/ISO specifications. API specifications for this clay are similar t

OD

Outside or outer diameter. Casing and tubing are commonly described in terms of inside diameter (ID) and outside diamete

OOC

OOC, or oil on cuttings, is a measurement of t

OOIP

What Is OOIP? <p class="defin

OSHA

OSHA, the Occup

OSPAR

What Is OSPAR? <

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